<template>
    <el-card shadow="never" class="border-0">
        <!-- 新增 | 刷新 -->
        <ListHeader @create="handleCreate" @refresh="getData" />
        <el-table :data="tableData" stripe style="width: 100%" v-loading="loading">
            <el-table-column label="优惠券名称" width="350">
                <template #default="{ row }">
                    <div class="border border-dashed py-2 px-4 rounded"
                        :class="row.statusText == '领取中' ? 'active' : 'inactive'">
                        <h5 class="font-bold text-md">{{ row.name }}</h5>
                        <small>{{ row.start_time }} ~ {{ row.end_time }}</small>
                    </div>
                </template>
            </el-table-column>
            <el-table-column prop="statusText" label="状态" />
            <el-table-column label="优惠">
                <template #default="{ row }">
                    <div class="flex flex-col">
                        <span>{{ row.type ? "折扣" : "满减" }}</span>
                        <span>{{ row.type ? (row.value + "折") : ("￥" + row.value) }}</span>
                    </div>
                </template>
            </el-table-column>
            <el-table-column prop="total" label="发放数量" />
            <el-table-column prop="used" label="已使用" />
            <el-table-column label="操作" width="220" align="right">
                <template #default="scope">
                    <el-button v-if="scope.row.statusText == '未开始'"  size="small" @click="handleEdit(scope.row)">编辑</el-button>
                    <el-popconfirm v-if="scope.row.statusText != '领取中'"  title="是否要删除该优惠券?" confirmButtonText="确定" cancelButtonText="取消"
                        @confirm="handleDelete(scope.row.id)">
                        <template #reference>
                            <el-button size="small" type="danger">删除</el-button>
                        </template>
                    </el-popconfirm>
                    <el-popconfirm v-if="scope.row.statusText == '领取中'" title="是否要让该优惠券失效?" confirmButtonText="失效" cancelButtonText="取消"
                        @confirm="handleStatusChange(0,scope.row)">
                        <template #reference>
                            <el-button size="small" type="danger">失效</el-button>
                        </template>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        <div class="flex items-center justify-center mt-3">
            <el-pagination background layout="prev, pager, next" :total="total" :current-page="currentPage"
                :page-size="limit" @current-change="getData" />
        </div>
        <FormDrawer ref="formDrawerRef" :title="drawerTitle" @submit="handleSubmit" size="30%">
            <el-form :model="form" ref="formRef" :rules="rules" label-width="80px" :inline="false">
                <el-form-item label="名称" prop="name">
                    <el-input v-model="form.name" placeholder="优惠券名称" style="width: 90%;"></el-input>
                </el-form-item>
                <el-form-item label="类型" prop="type">
                    <el-radio-group v-model="form.type">
                        <el-radio :label="0">满减</el-radio>
                        <el-radio :label="1">折扣</el-radio>
                    </el-radio-group>

                </el-form-item>
                <el-form-item label="面值" prop="value" style="width: 90%;">
                    <el-input v-model="form.value" placeholder="面值">
                        <template #append> {{ form.type ? "折" : "元" }}</template>
                    </el-input>
                </el-form-item>
                <el-form-item label="发行量" prop="total">
                    <el-input-number v-model="form.total" :min="0" :max="1000"></el-input-number>
                </el-form-item>
                <el-form-item label="使用价格" prop="min_price" style="width: 90%;">
                    <el-input v-model="form.min_price" placeholder="最低使用价格" type="number"></el-input>
                </el-form-item>
                <el-form-item label="排序" prop="order">
                    <el-input-number v-model="form.order" :min="0" :max="1000"></el-input-number>
                </el-form-item>
                <el-form-item label="活动时间" prop="type">
                    <el-date-picker :editable="false" v-model="timerange" value-format="YYYY-MM-DD HH:mm:ss"
                        type="datetimerange" range-separator="To" start-placeholder="开始时间" end-placeholder="结束时间" />
                </el-form-item>
                <el-form-item label="描述" prop="content" style="width: 98%;">
                    <el-input v-model="form.content" placeholder="描述" type="textarea" :rows="5"></el-input>
                </el-form-item>
            </el-form>

        </FormDrawer>
    </el-card>

</template>
<script setup>
import { computed } from "vue"
import { getCouponList, createCoupon, updateCoupon, deleteCoupon, updateCouponStatus } from "~/api/coupon"
import FormDrawer from "~/components/FormDrawer.vue"
import { useInitTable, useInitForm } from "~/composables/useCommon.js"
import ListHeader from "~/components/ListHeader.vue"

function formatStatus(row) {
    let s = "领取中"
    let start_time = (new Date(row.start_time)).getTime()
    let end_time = (new Date(row.end_time)).getTime()
    let now = (new Date()).getTime()
    if (start_time > now) {
        s = "未开始"
    } else if (end_time < now) {
        s = "已结束"
    } else if (row.status == 0) {
        s = "已失效"
    }
    return s
}
const {
    tableData,
    loading,
    currentPage,
    total,
    limit,
    getData,
    handleDelete,
    handleStatusChange
} = useInitTable({
    getList: getCouponList,
    onGetListSuccess: (res) => {
        tableData.value = res.list.map(o => {
            // 转化优惠券状态
            o.statusText = formatStatus(o)
            return o
        })
        total.value = res.totalCount
    },
    updateStatus:updateCouponStatus,
    delete: deleteCoupon
})

const {
    formDrawerRef,
    formRef,
    form,
    rules,
    drawerTitle,
    handleSubmit,
    handleEdit,
    handleCreate
} = useInitForm({
    form: {
        name: "",
        type: 0,
        value: 0,
        total: 100,
        min_price: 0,
        start_time: "",
        end_time: "",
        order: 50

    },
    rules: {},
    getData,
    update: updateCoupon,
    create: createCoupon,
    beforeSubmit: (f) => {
        if (typeof f.start_time != "number") {
            f.start_time = (new Date(f.start_time)).getTime()
        }
        if (typeof f.end_time != "number") {
            f.end_time = (new Date(f.end_time)).getTime()
        }
        return f
    }
})

const timerange = computed({
    get() {
        return form.start_time && form.end_time ? [form.start_time, form.end_time] : []
    },
    set(val) {
        form.start_time = val[0]
        form.end_time = val[1]
    }
})
</script>
<style scoped>
.active {
    @apply border-rose-200 bg-rose-50 text-red-400
}

.inactive {
    @apply border-gray-200 bg-gray-50 text-gray-400
}
</style>